英语词组on the alert是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	on the alert
释义	on the alertadj. phr.Alert; watchful; careful. 警惕的；密切注意的；小心的。◆ Campers must be on the alert for poison ivy and poison oak.野营者必须密切注意气根毒藤和栎叶毒漆树。
随便看	tell on tell you what temper tempest in a teapot tempt fate tempt fate or tempt the fates tempt the fates ten-four? ten gallon hat ten roger ten to one ten to one or two to one T. G. I. F. thank one's lucky stars thanks to that is that that is that or that's that that'll be the day That makes two of us! That's about the size of it! that's a laugh that's a laugh or that's a scream that's all the traffic will bear that's a scream that's how the cookie crumbles

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